EXHIBIT 11 CAPSTEAD MORTGAGE CORPORATION COMPUTATION OF NET INCOME PER SHARE (in thousands, except per share amounts) Quarter Ended Six Months Ended -------------------- -------------------- 1995 1994 1995 1994 --------- --------- --------- --------- Primary: Average number of common shares outstanding 15,322 15,238 15,313 15,220 Incremental shares calculated using the Treasury Stock method 4 9 4 46 ------- ------- -------- -------- 15,326 15,247 15,317 15,266 ------- ------- -------- -------- Net income $17,739 $20,030 $ 33,105 $ 43,499 Less cash dividends paid on convertible preferred stock: Series A ($0.40 per share) (239) (266) (487) (538) Series B ($0.315 per share) (9,584) (9,440) (19,134) (18,848) ------- ------- -------- -------- Net income available to common stockholders $ 7,916 $10,324 $ 13,484 $ 24,113 ======= ======= ======== ======== Primary net income per share $0.52 $0.68 $0.88 $1.58 Fully diluted: Average number of common shares outstanding 15,322 15,238 15,313 15,220 Assumed conversion of convertible preferred stock: Series A 548 606 554 619 Series B * * * * Incremental shares calculated using the Treasury Stock method 5 9 4 45 ------- ------- -------- -------- 15,875 15,853 15,871 15,884 ======= ======= ======== ======== Net income $17,739 $20,030 $ 33,105 $ 43,499 Less cash dividends paid on the Series B Preferred Stock (9,584) (9,440) (19,134) (18,848) ------- ------- -------- -------- Net income $ 8,155 $10,590 $ 13,971 $ 24,651 ======= ======= ======== ======== Fully diluted net income per share $0.51 $0.67 $0.88 $1.55 * The Series B Preferred Stock is not considered convertible for purposes of calculating fully diluted net income per share as it is currently antidilutive.